From: Andrey Savochkin <saw@sw.ru>
Date: Thu, 7 Dec 2006 04:37:36 +0000 (-0800)
Subject: [PATCH] retries in ext4_prepare_write() violate ordering requirements
X-Git-Tag: v2.6.20-rc1~145^2^2~153
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b46be05004abb419e303e66e143eed9f8a6e9f3f;p=pandora-kernel.git

[PATCH] retries in ext4_prepare_write() violate ordering requirements

In journal=ordered or journal=data mode retry in ext4_prepare_write()
breaks the requirements of journaling of data with respect to metadata.
The fix is to call commit_write to commit allocated zero blocks before
retry.

Signed-off-by: Kirill Korotaev <dev@openvz.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Ken Chen <kenneth.w.chen@intel.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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